548  
CDUS45 KCYS 090735  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
135 AM MDT WED SEP 9 2020  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 8 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1896 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 42 116 PM 99 1908 80 -38 73  
MINIMUM 32R 1159 PM 32 1929 47 -15 47  
AVERAGE 37 63 -26 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.14 1.05 1929 0.06 0.08 1.02  
MONTH TO DATE 0.23 0.44 -0.21 1.29  
SINCE JAN 1 7.36 12.85 -5.49 18.25  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 4 24 5  
MONTH TO DATE 38 26 12 5  
SINCE SEP 1 38 26 12 5  
SINCE JUL 1 49 63 -14 29  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 18 21 -3 44  
SINCE SEP 1 18 21 -3 44  
SINCE JAN 1 745 544 201 501    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 15.1  
 
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 100 AM  
LOWEST 64 200 PM  
AVERAGE 78  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 99 1931  
MINIMUM TEMPERATURE (F) 46 21 1902  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2020.....SUNRISE 626 AM MDT SUNSET 710 PM MDT  
SEPTEMBER 10 2020.....SUNRISE 627 AM MDT SUNSET 708 PM MDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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